.logo {
  width: 120px;
  height: 31px;
  border-radius: 6px;
  margin: 3px 28px 16px 0;
  float: left;
  text-align: center;
  color: #fff;
  font-size: 20px;
}
.ant-layout-header{
  padding: 0px 20px;
}
.header-operation{
  float: right;
}